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Finding the Third Proportional to 117,790,964 and 251,958,183

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Solution

The third proportional to 117,790,964 and 251,958,183 is: 538,945,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,790,964 : 251,958,183 = 251,958,183 : x
  2. Step 2: Convert to fraction form
    117,790,964/251,958,183 = 251,958,183/x
  3. Step 3: Cross multiply
    117,790,964x = 251,958,183 × 251,958,183
  4. Step 4: Simplify right side
    117,790,964x = 63,482,925,980,661,488
  5. Step 5: Solve for x
    x = 63,482,925,980,661,488/117,790,964
  6. Step 6: Final answer
    x = 538,945,635.77

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.